DICKINSON, District Judge.
This case concerns Letters Patent No. 1,886,577, issued to Adolph Ousdahl, for a Coal Burning Apparatus, claims 21, 22, 24 and 26 of which are in issue. It also as brought concerned another Patent to Edgar T. Warner No. 1,912,876. The latter may be dropped from the discussion because the charge of infringement was not pressed. Plaintiffs asked for what was in effect leave to withdraw this part of the Bill without prejudice. We see no need...
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